<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body style="padding-top:100px;text-align:center;">
    <form ref='uploadForm' 
      id='uploadForm' 
      action='' 
      method='post' 
      encType="multipart/form-data">
        <input type="hidden" name="callback" value="<%=callback%>" />
        <input type="file" name="sampleFile" />
        <input type='submit' value='上传' />
    </form> 
    <h3 style="align-content:center">【jpg,png,gif;最大10MB】</h3>
</body>
</html>
